/* Landing — live platform data flow */
.landing-flow {
  margin: 0 0 1.75rem;
  padding: 1rem 1rem 0.75rem;
  border-radius: var(--landing-radius);
  background: rgba(12, 18, 32, 0.65);
  border: 1px solid var(--landing-border);
  backdrop-filter: blur(12px);
  animation: landing-fade-up 0.6s ease 0.2s both;
}

.landing-flow__top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 12px;
}

.landing-flow__title {
  font-size: 0.72rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--landing-muted);
  display: flex;
  align-items: center;
  gap: 8px;
}

.landing-flow__live-dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #22c55e;
  box-shadow: 0 0 8px rgba(34, 197, 94, 0.7);
  animation: landing-pulse 2s ease infinite;
}

.landing-flow__live-dot.degraded { background: #f59e0b; box-shadow: 0 0 8px rgba(245, 158, 11, 0.7); }
.landing-flow__live-dot.critical { background: #ef4444; box-shadow: 0 0 8px rgba(239, 68, 68, 0.8); animation: landing-flow-alert-pulse 1s ease infinite; }

.landing-flow__status-pill {
  font-size: 0.68rem;
  font-weight: 700;
  padding: 4px 10px;
  border-radius: 999px;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.landing-flow__status-pill.healthy { color: #86efac; background: rgba(34, 197, 94, 0.15); border: 1px solid rgba(34, 197, 94, 0.35); }
.landing-flow__status-pill.degraded { color: #fcd34d; background: rgba(245, 158, 11, 0.15); border: 1px solid rgba(245, 158, 11, 0.35); }
.landing-flow__status-pill.critical { color: #fca5a5; background: rgba(239, 68, 68, 0.15); border: 1px solid rgba(239, 68, 68, 0.4); }

.landing-flow__alerts {
  display: none;
  flex-direction: column;
  gap: 6px;
  margin-bottom: 10px;
}

.landing-flow__alerts.visible {
  display: flex;
}

.landing-flow__alert {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 0.75rem;
  line-height: 1.35;
  background: rgba(239, 68, 68, 0.12);
  border: 1px solid rgba(239, 68, 68, 0.35);
  color: #fecaca;
  animation: landing-flow-alert-in 0.35s ease;
}

.landing-flow__alert--high {
  background: rgba(245, 158, 11, 0.12);
  border-color: rgba(245, 158, 11, 0.35);
  color: #fde68a;
}

.landing-flow__stage-wrap {
  position: relative;
  min-height: 220px;
  overflow: hidden;
}

.landing-flow__svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.landing-flow__line {
  fill: none;
  stroke-width: 2;
  stroke-linecap: round;
}

.landing-flow__line.active {
  stroke: rgba(34, 211, 238, 0.55);
  stroke-dasharray: 6 5;
  animation: landing-flow-dash 0.9s linear infinite;
}

.landing-flow__line.inactive {
  stroke: rgba(148, 163, 184, 0.2);
  stroke-dasharray: 4 6;
}

.landing-flow__line.error {
  stroke: rgba(239, 68, 68, 0.45);
  stroke-dasharray: none;
}

.landing-flow__packet {
  fill: #22d3ee;
  filter: drop-shadow(0 0 4px rgba(34, 211, 238, 0.9));
}

@keyframes landing-flow-dash {
  to { stroke-dashoffset: -11; }
}

@keyframes landing-flow-alert-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.6; transform: scale(1.15); }
}

@keyframes landing-flow-alert-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: translateY(0); }
}

.landing-flow__stage {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: auto auto auto;
  gap: 10px 8px;
  padding: 4px 0 8px;
}

.landing-flow__node {
  position: relative;
  padding: 10px 8px;
  border-radius: 10px;
  background: rgba(15, 23, 42, 0.85);
  border: 1px solid rgba(148, 163, 184, 0.18);
  text-align: center;
  transition: border-color 0.25s, box-shadow 0.25s;
}

.landing-flow__node.ok {
  border-color: rgba(34, 197, 94, 0.35);
  box-shadow: 0 0 0 1px rgba(34, 197, 94, 0.08);
}

.landing-flow__node.warn {
  border-color: rgba(245, 158, 11, 0.45);
  box-shadow: 0 0 12px rgba(245, 158, 11, 0.12);
}

.landing-flow__node.error {
  border-color: rgba(239, 68, 68, 0.55);
  box-shadow: 0 0 16px rgba(239, 68, 68, 0.2);
  animation: landing-flow-node-alert 2s ease infinite;
}

@keyframes landing-flow-node-alert {
  0%, 100% { box-shadow: 0 0 16px rgba(239, 68, 68, 0.2); }
  50% { box-shadow: 0 0 22px rgba(239, 68, 68, 0.45); }
}

.landing-flow__node-icon {
  width: 28px;
  height: 28px;
  margin: 0 auto 6px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 0.85rem;
  background: rgba(59, 130, 246, 0.15);
  color: #93c5fd;
}

.landing-flow__node.error .landing-flow__node-icon {
  background: rgba(239, 68, 68, 0.2);
  color: #fca5a5;
}

.landing-flow__node-label {
  font-size: 0.68rem;
  font-weight: 700;
  line-height: 1.2;
  color: var(--landing-text);
}

.landing-flow__node-sub {
  font-size: 0.6rem;
  color: var(--landing-muted);
  margin-top: 2px;
}

.landing-flow__node-metric {
  font-size: 0.58rem;
  color: #64748b;
  margin-top: 4px;
  font-family: ui-monospace, monospace;
}

.landing-flow__node-status {
  position: absolute;
  top: 6px;
  right: 6px;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #64748b;
}

.landing-flow__node.ok .landing-flow__node-status { background: #22c55e; }
.landing-flow__node.warn .landing-flow__node-status { background: #f59e0b; }
.landing-flow__node.error .landing-flow__node-status { background: #ef4444; }

.landing-flow__footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  padding-top: 8px;
  border-top: 1px solid var(--landing-border);
  font-size: 0.65rem;
  color: var(--landing-muted);
}

.landing-flow__footer span strong {
  color: #cbd5e1;
  font-weight: 600;
}

/* Grid placement */
.landing-flow__node[data-id="source_db"] { grid-column: 1; grid-row: 1; }
.landing-flow__node[data-id="sync_worker"] { grid-column: 2; grid-row: 1; }
.landing-flow__node[data-id="local_db"] { grid-column: 3 / span 2; grid-row: 1; }
.landing-flow__node[data-id="wallet_worker"] { grid-column: 1; grid-row: 2; }
.landing-flow__node[data-id="odds_worker"] { grid-column: 2; grid-row: 2; }
.landing-flow__node[data-id="rules_engine"] { grid-column: 3; grid-row: 2; }
.landing-flow__node[data-id="risk_engine"] { grid-column: 4; grid-row: 2; }
.landing-flow__node[data-id="event_ledger"] { grid-column: 2 / span 2; grid-row: 3; }
.landing-flow__node[data-id="fraud_alerts"] { grid-column: 4 / span 2; grid-row: 3; }

@media (max-width: 900px) {
  .landing-flow__stage {
    grid-template-columns: repeat(3, 1fr);
  }
  .landing-flow__node[data-id="local_db"] { grid-column: 2 / span 2; }
  .landing-flow__node[data-id="risk_engine"] { grid-column: 3; grid-row: 2; }
  .landing-flow__node[data-id="fraud_alerts"] { grid-column: 2 / span 2; grid-row: 3; }
  .landing-flow__stage-wrap { min-height: 280px; }
}

@media (max-width: 640px) {
  .landing-flow { padding: 0.75rem; }
  .landing-flow__stage {
    grid-template-columns: 1fr 1fr;
    gap: 8px;
  }
  .landing-flow__node[data-id="source_db"],
  .landing-flow__node[data-id="sync_worker"],
  .landing-flow__node[data-id="local_db"],
  .landing-flow__node[data-id="event_ledger"],
  .landing-flow__node[data-id="fraud_alerts"] {
    grid-column: auto;
    grid-row: auto;
  }
  .landing-flow__stage-wrap { min-height: 420px; }
}

/* Dashboard variant */
.platform-flow-dash-wrap {
  margin-bottom: 1.25rem;
}

.platform-flow--dashboard.landing-flow {
  margin: 0;
  background: rgba(8, 12, 24, 0.55);
  border: 1px solid rgba(99, 102, 241, 0.2);
  animation: none;
}

.platform-flow--dashboard .landing-flow__stage-wrap {
  min-height: 200px;
}

.platform-flow--dashboard .landing-flow__node {
  padding: 8px 6px;
}

.platform-flow--dashboard .landing-flow__node-label {
  font-size: 0.62rem;
}

.platform-flow--dashboard .landing-flow__node-sub,
.platform-flow--dashboard .landing-flow__node-metric {
  font-size: 0.55rem;
}

.platform-flow--dashboard .landing-flow__footer {
  border-top-color: rgba(99, 102, 241, 0.15);
  color: #94a3b8;
}

.platform-flow--dashboard .landing-flow__footer strong {
  color: #e2e8f0;
}

.futuristic-section-card .landing-flow__status-pill {
  font-size: 0.62rem;
  padding: 3px 8px;
}